@article{VLDB-2010-AraiDGHK,
	author        = "Benjamin Arai and Gautam Das and Dimitrios Gunopulos and Vagelis Hristidis and Nick Koudas",
	ee            = "http://www.comp.nus.edu.sg/~vldb2010/proceedings/files/papers/R100.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "1125--1136",
	title         = "{An Access Cost-Aware Approach for Object Retrieval over Multiple Sources}",
	volume        = 3,
	year          = 2010,
}